Butter 9 x 13 pan. ... in large bowl hash browns, butter, onion, cheese, sour ... with fork. Remove potatoes from oven. Sprinkle corn flakes ... 45 minutes longer, uncovered.
Preheat oven to 350 degrees. Defrost hash browns for several hours or ... degrees. Place defrosted potatoes in 13x9 baking dish. Top ... 45 minutes. Serves 10-12.